lib/driver/rcconsole.cpp

   1 #include <lib/base/init.h>
   2 #include <lib/base/init_num.h>
   3 #include <lib/base/eerror.h>
   4 #include <lib/driver/rcconsole.h>
   5 #include <stdio.h>
   6 #include <fcntl.h>
   7
   8 eRCConsoleDriver::eRCConsoleDriver(const char *filename): eRCDriver(eRCInput::getInstance())
   9 {
  10         handle=open(filename, O_RDONLY|O_NONBLOCK);
  11         if (handle<0)
  12         {
  13                 eDebug("failed to open %s", filename);
  14                 sn=0;
  15         } else
  16         {
  17                 sn=new eSocketNotifier(eApp, handle, eSocketNotifier::Read);
  18                 CONNECT(sn->activated, eRCConsoleDriver::keyPressed);
  19                 eRCInput::getInstance()->setFile(handle);
  20         }
  21
  22                 /* set console mode */
  23         struct termios t;
  24         tcgetattr(handle, &t);
  25         ot = t;
  26         t.c_lflag &= ~(ECHO | ICANON | ECHOK | ECHOE | ECHONL);
  27         tcsetattr(handle, TCSANOW,&t);
  28 }
  29
  30 eRCConsoleDriver::~eRCConsoleDriver()
  31 {
  32         tcsetattr(handle,TCSANOW, &ot);
  33         if (handle>=0)
  34                 close(handle);
  35         if (sn)
  36                 delete sn;
  37 }
  38
  39 void eRCConsoleDriver::keyPressed(int)
  40 {
  41         unsigned char data[16];
  42         unsigned char *d = data;
  43         int num = read(handle, data, 16);
  44         int code=-1;
  45
  46         int km = input->getKeyboardMode();
  47
  48         if (km == eRCInput::kmNone)
  49                 return;
  50
  51         while (num--)
  52         {
  53 //              eDebug("console code %08x\n", *d);
  54                 if (km == eRCInput::kmAll)
  55                         code = *d++;
  56                 else
  57                 {
  58                         if (*d == 27) // escape code
  59                         {
  60                                 while (num)
  61                                 {
  62                                         num--;
  63                                         if (*++d != '[')
  64                                                 break;
  65                                 }
  66                                 code = -1;
  67                         } else
  68                                 code = *d;
  69                         ++d;
  70
  71                         if (code < 32)                  /* control characters */
  72                                 code = -1;
  73                         else switch(code)
  74                         {
  75                         case 0x71:              // KEY_MUTE
  76                         case 0x7F:              // KEY_COMPOSE
  77                         case 0x6F:              // KEY_DELETE
  78                         case 0x6E:              // KEY_INSERT
  79                                 code = -1;
  80                         default:
  81                                 break;
  82                         }
  83                 }
  84
  85                 if (code != -1)
  86                         for (std::list<eRCDevice*>::iterator i(listeners.begin()); i!=listeners.end(); ++i)
  87                         {
  88 //                              eDebug("ascii %08x", code);
  89                                 (*i)->handleCode(code);
  90                         }
  91         }
  92 }
  93
  94 void eRCConsole::handleCode(int code)
  95 {
  96         input->keyPressed(eRCKey(this, code, eRCKey::flagAscii));
  97 }
  98
  99 eRCConsole::eRCConsole(eRCDriver *driver)
 100                         : eRCDevice("Console", driver)
 101 {
 102 }
 103
 104 const char *eRCConsole::getDescription() const
 105 {
 106         return "Console";
 107 }
 108
 109 const char *eRCConsole::getKeyDescription(const eRCKey &key) const
 110 {
 111         return 0;
 112 }
 113
 114 int eRCConsole::getKeyCompatibleCode(const eRCKey &key) const
 115 {
 116         return key.code;
 117 }
 118
 119 class eRCConsoleInit
 120 {
 121         eRCConsoleDriver driver;
 122         eRCConsole device;
 123 public:
 124         eRCConsoleInit(): driver("/dev/vc/0"), device(&driver)
 125         {
 126         }
 127 };
 128
 129 eAutoInitP0<eRCConsoleInit> init_rcconsole(eAutoInitNumbers::rc+1, "Console RC Driver");